package com.aust.state;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 模拟倒计时
 */
public class TestStopTime {

    /**
     * 模拟10秒倒计时
     *
     * @throws InterruptedException
     */
    public static void tenDown() throws InterruptedException {
        int num = 10;
        while (true) {
            Thread.sleep(1000);
            System.out.println(num--);
            if (num == 0) {
                break;
            }
        }
    }

    public static void main(String[] args) {
        /*try {
            tenDown();
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }*/
        // 当前系统时间
        Date start = new Date(System.currentTimeMillis()); // 获取系统当前时间
        while (true) {
            try {
                Thread.sleep(1000);
                System.out.println(new SimpleDateFormat("HH:mm:ss").format(start));
                start = new Date(System.currentTimeMillis()); // 更新时间
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    }

}
